Re: Curly braces between MATH tags cause unknown error.

Originally Posted by ENRIQUESTEFANINI

Hi:
I am sending the whole text bellow:

'and [LaTeX ERROR: Unknown error] , ' should be replaced by 'and MATH_TAG \{ \} /MATH_TAG, '
Hi:
In the book The Theory of Finite Groups: An Introduction, by Hans Kurzweil and Bernd Stellmacher, New York, 2004, in section 1.6, Products of Groups, there is Exercise 3:

Let be finite. Suppose that every maximal subgroup of is simple and normal in . Then is an Abelian group and , where are primes.